The ornamental design for a cellularphone, as shown and described.
FIG. 1 is a front, right side, perspective view of a cellular phone showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a rear, left side perspective view thereof.
The dash-dot-dash broken lines represent the boundaries of the claimed design and form no part thereof. The dash-dash broken lines illustrate portions of the cellular phone which form no part of the claimed design.